This paper introduces an innovative capacity optimization model for pumped storage stations, tailored for environments with a high proportion of new energy. The model uniquely focuses on
Firstly, summarize the power grid planning with pumped storage power stations and new energy units. Secondly, sort out the objectives of power grid planning, and clarify the boundary
Many existing pumped storage facilities are decades old, and are undergoing rehabilitation to extend plant life and increase capacity and/or efficiency. New construction of pumped storage hydropower is coming off a 15
For the 2024 ATB, we use cost estimates for a 1,000-MW plant, which has lower labor costs per power output capacity compared to a smaller facility. O&M costs also include component costs
Optimize pumped-storage power station operation considering renewable energy inputs. GOA optimizes peak-shaving and valley-filling operation of pumped-storage power station. Promote synergies of hydropower output, power benefit, and CO 2 emission reduction.
Facilitate the development of PSP station systems and a low-carbon economy. Optimizing peak-shaving and valley-filling (PS-VF) operation of a pumped-storage power (PSP) station has far-reaching influences on the synergies of hydropower output, power benefit, and carbon dioxide (CO 2) emission reduction.
The pumped storage power station (PSPS) is a special power source that has flexible operation modes and multiple functions. With the rapid economic development in China, the energy demand and the peak-valley load difference of the power grid are continuing to increase.
The result shows the urgency of developing the PSPS in Chinese power systems that have given priority to thermal power, and the energy resources need the wide-range optimal allocation within the system. The development cycle of the pumped storage is long, and at least 8–10 years are needed from the planning to the completion.
The PSPS is the best tool for energy storage. The pumped storage has the function of energy reserve, and it solves the problem of electricity production and consumption at the same time, and not easy to store. Thus, it can effectively regulate the dynamic balance of the power systems in electricity generation and utilization.
In general, units cannot operate in the phase modulation for a long time under pump storage status. Rotating backup for power generation cannot be substituted by unit idling or phase modulation in power generation. Unit statuses cannot be switched between power generation and pump storage.
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